Create your own unique quadratic equation in the form y = ax2 + bx + c. Use complete sentences and show all work to determine the following:

Does the graph open up or down? How do you know? (2 points)
Explain whether the graph has a maximum or minimum point. (2 points)
Find the vertex and x-intercepts of the graph. (3 points)

Question

Create your own unique quadratic equation in the form y = ax2 + bx + c. Use complete sentences and show all work to determine the following:

Does the graph open up or down? How do you know? (2 points)
    Explain whether the graph has a maximum or minimum point. (2 points)
    Find the vertex and x-intercepts of the graph. (3 points)

jim_thompson5910 · Answer

Simply pick three random numbers and assign them to a, b, and c. Once you have your equation, use your graphing calculator or an online graphing calculator to graph it. Wolfram Alpha provides a very good graphing calculator. http://www.wolframalpha.com/